224227618 has 4 divisors (see below), whose sum is σ = 336341430. Its totient is φ = 112113808.

The previous prime is 224227609. The next prime is 224227639. The reversal of 224227618 is 816722422.

224227618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 816722422 = 2 ⋅408361211.

It can be written as a sum of positive squares in only one way, i.e., 217061289 + 7166329 = 14733^2 + 2677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056903 + ... + 56056906.

Almost surely, 2^224227618 is an apocalyptic number.

224227618 is a deficient number, since it is larger than the sum of its proper divisors (112113812).

224227618 is a wasteful number, since it uses less digits than its factorization.

224227618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112113811.

The product of its digits is 21504, while the sum is 34.

The square root of 224227618 is about 14974.2317999956. The cubic root of 224227618 is about 607.5234337577.

The spelling of 224227618 in words is "two hundred twenty-four million, two hundred twenty-seven thousand, six hundred eighteen".